Effusive eruptions

• these types of eruptions occur at ___ ___ ____?

  divergent plate boundaries
• lava and characteristics: basaltic lava which is ____ and has a ___ silica content, low ____, and ____ temperatures at eruption?

  basic, low, viscosity, higher
• style of eruption: gas bubbles ___ ____, and there is ___ ___ ____?

  expand freely, limited explosive force
• materials erupted: ___ and lava ____?

  gas, flows
• frequency: more ____, eruptions can continue for ___ ____?

  frequent, many months
• shape of volcano: ___ ___ sides, ____ volcanoes?

  gently sloping, shield
• landforms/ features: ___ ___ when eruptions from multiple _____?

  lava plateau, fissures